Google spent two years investigating what really makes a team great. Julia Rozovsky, who works on the company’s people analytics team, concluded the most important element separating high-performance teams from average ones is the level of psychological safety. Google made its findings public in 2015, and articles and blogs quickly reported the ‘new’ finding, often simplifying what team psychological safety stands for. One summarized the key to high-performance teams as “just being nice to others.” Not quite.